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Congratulations TugboatEng on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!
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What Types of lasers would travel farthest in water?
The three most common lasers used in the metals industry are the CO2 laser (wavelength 10.6 micron), the Nd:YAG laser (1.06 micron)and the Diode laser (0.81/0.94 Micron). Lasers are used in combination with water for industrial metal cutting eg Hybrid Laser/Water Jet, but info on beam travel...- 111121
- Post #3
- Forum: Marine/Ocean engineering other topics
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303SS and 360 Brass - Compatible Couple?
The galvanic table doesn't take into account the relative surface areas of the assembly or the products that the components come in contact with, so corrosion is difficult to predict. If you are sure 303 stainless is suitable for your application, be on the safe side and buy a stainless plug...- 111121
- Post #2
- Forum: Corrosion engineering
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laser forming
Just noticed that The Assoc. of Industrial Laser Users (UK) is holding a 1 day seminar at Warwick Uni UK (March 4) on "Rapid Tooling by Laser". A presenter named Dave Drearden from Liverpool Uni is presenting a talk titled "Laser Forming of Sheet Metal". Refer...- 111121
- Post #4
- Forum: Metal and Metallurgy engineering
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Seal Bearing Sleeve
Can you advise the approximate dimensions of the sleeve? ie Outside Diameter Inside Diameter Overall length What experience (if any) have you had with other materials? TJA- 111121
- Post #2
- Forum: Marine/Ocean engineering other topics
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laser forming
Laser forming, also knowwn as non contact bending is a process derived from flame bending, which is performed using a blow-torch, somtimes some water for locallised quenching, and a lot of skill and experience. The bending action is caused by thermal stresses in say a sheet or plate due to...- 111121
- Post #3
- Forum: Metal and Metallurgy engineering
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Carbon Contaimination of Stainless Steel
Kenvlach Yes, there is a chance, as post weld heat treatment is often written into a specification to avoid problems associated with sensitisation. Sometimes this is impractical due to the size of the vessel, but McGuire is right, if you use correct techniques, and specify materials that have...- 111121
- Post #10
- Forum: Metal and Metallurgy engineering
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Carbon Contaimination of Stainless Steel
In a fabrication process contamination can occur from a variety of sources. eg: When machining, recirculated cutting/soluble oils/emulsions are often used and these are rarely filtered. The workpiece holding clamps, jaws and fixtures/tables are made from steel or cast iron and can contaminate...- 111121
- Post #6
- Forum: Metal and Metallurgy engineering
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Heat Treating 17-4PH No Discoloration Allowed!
Depending on the geometry of the component, and the area to be hardened, you might consider laser surface transformation hardening. The process makes use of the rapid heating and cooling rates produced on metal surfaces exposed to scanning laser beams. TJA- 111121
- Post #8
- Forum: Metal and Metallurgy engineering
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Shaft Coating in Marine Enviroment (inside&out)
From: T.Anderson For external application, you could consider laser cladding. Materials including stainless steels (316)and nickel alloys (alloy 625) can be metallurgically bonded to alloy steels including 4340 with minimal dilution (1% to 3%), very small heat affected zone and virtually no...- 111121
- Post #8
- Forum: Corrosion engineering
